import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.net.Socket;
import java.util.Scanner;

public class TcpEchoClient {
    private Socket socket = null;

    public TcpEchoClient(String serverIp, int serverPort) throws IOException {
         socket = new Socket(serverIp, serverPort);
    }

    public void start(){
        System.out.println("客户端启动!");
            Scanner scannerConsole = new Scanner(System.in);

            try(InputStream inputStream = socket.getInputStream();
                OutputStream outputStream = socket.getOutputStream()) {
                while(true){
                    String request = scannerConsole.next();
                    PrintWriter writer = new PrintWriter(outputStream);
                    writer.println(request);
                    writer.flush();

                    Scanner scannerNetwork = new Scanner(inputStream);
                    String response = scannerNetwork.next();

                    System.out.println(response);
                }
            } catch (IOException e) {
                e.printStackTrace();
            }
    }

    public static void main(String[] args) throws IOException {
        TcpEchoClient client = new TcpEchoClient("127.0.0.1", 8080);
        client.start();
    }
}
